﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using Microsoft.Phone.Notification;
using System.Diagnostics;
using System.IO;
using System.ComponentModel;
using System.IO.IsolatedStorage;
using Microsoft.Phone.Tasks;
using Microsoft.Live;

namespace NotificationReceiver
{
    public partial class App : Application
    {

        private HttpNotificationChannel _channel;
        private const string ChannelName = "Notifications.Phone.NotificationChannel";
        private Guid _deviceId;
        string ReceivedUrl;
        NotificationService.Service1Client svc;

        bool IsSubsrciptionCompleted = false;

        public bool IsAuthenticated = false;
        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        /// <summary>
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = true;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are being GPU accelerated with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;
            }

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
                       
        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
                
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
               
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
               
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new TransitionFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion

        #region RegisterForNotifications

       public void SubscribeforNotification(string liveId)
        {
            svc = new NotificationService.Service1Client();

            if (DesignerProperties.IsInDesignTool)
                return;

            if (IsolatedStorageSettings.ApplicationSettings.Contains("DeviceId"))
            {
                _deviceId = (Guid)IsolatedStorageSettings.ApplicationSettings["DeviceId"];
            }
            else
            {
                _deviceId = Guid.NewGuid();
                IsolatedStorageSettings.ApplicationSettings["DeviceId"] = _deviceId;
            }

            SetupNotificationChannel();
        }
        private void SetupNotificationChannel()
        {
            _channel = HttpNotificationChannel.Find(ChannelName);

            if (_channel == null)
            {
                _channel = new HttpNotificationChannel(ChannelName);
                _channel.ChannelUriUpdated += ChannelUriUpdated;
                _channel.ErrorOccurred += (s, e) => Deployment.Current.Dispatcher.BeginInvoke(() => ErrorOccurred(e));
                _channel.Open();
            }
            else
            {
                RegisterForNotifications();
            }
        }

        private void RegisterForNotifications()
        {
            RegisterWithNotificationService();
            _channel.ShellToastNotificationReceived += (s, e) => Deployment.Current.Dispatcher.BeginInvoke(() => ToastReceived(e));
            _channel.HttpNotificationReceived += (s, e) => Deployment.Current.Dispatcher.BeginInvoke(() => HttpNotificationReceived(e));
            _channel.ErrorOccurred += (s, e) => Deployment.Current.Dispatcher.BeginInvoke(() => ErrorOccurred(e));
        }

        private void HttpNotificationReceived(HttpNotificationEventArgs e)
        {
            //var reader = new StreamReader(e.Notification.Body);
            var reader = new StreamReader(e.Notification.Body);
            var message = reader.ReadToEnd();
            reader.Close();
        }

        private void RegisterWithNotificationService()
        {

            svc.SubscribeCompleted += (s, e) =>
            {

                if (e.Error != null)
                {
                    Debug.WriteLine("Error registering with notification service");
                }
                IsSubsrciptionCompleted = true;
            };
            AppSettings apps = new AppSettings();
            svc.SubscribeAsync(_deviceId, _channel.ChannelUri.ToString(), apps.AunthicatedUserIdSetting);
        }

        private void ToastReceived(NotificationEventArgs e)
        {

            ReceivedUrl = e.Collection["wp:Text2"].ToString();

        }

        private void ErrorOccurred(NotificationChannelErrorEventArgs e)
        {

            Debug.WriteLine("ERROR:" + e.Message);
        }

        private void ChannelUriUpdated(object sender, NotificationChannelUriEventArgs e)
        {
            _channel = HttpNotificationChannel.Find(ChannelName);

            if (!_channel.IsShellToastBound)
            {
                _channel.BindToShellToast();
            }

            if (!_channel.IsShellTileBound)
            {
                _channel.BindToShellTile();
            }

            RegisterForNotifications();
        }
        #endregion
    }
}